Cisco 3600 Series Upgrade Instructions - Page 2

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Also for Cisco 3600 Series: Product Overview (10 pages), Owner's Manual (17 pages), Application Note (41 pages), Configuration Manual (36 pages), User Manual (25 pages), Appendix (15 pages), User Manual (7 pages), Manual (5 pages), Configuration Note (23 pages), Configuration Note (18 pages), Configuration Note (25 pages)

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Cisco 3600 Series Upgrade Instructions
Memory Capacities
This document contains the following sections:
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Memory Capacities
You might need to upgrade memory for the following reasons:
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This document describes how to upgrade both dynamic memory and compact flash memory. Cisco 3700
series routers use dynamic memory in the form of SDRAM DIMMs (Cisco 3725 router) or SDRAM
SODIMMs (Cisco 3745 router). Memory capacities are shown in
Table 1
Router
Cisco 3725
Cisco 3745
This document discusses how to replace dynamic memory only. To learn how to replace CompactFlash
Note
memory cards, refer to Installing and Formatting Cisco 2691, Cisco 3631, and Cisco 3700 Series
CompactFlash Memory Cards, available online at the following URL:
http://www.cisco.com/univercd/cc/td/doc/product/access/acs_mod/cis3700/hw_inst/hw_notes/
index.htm.
Upgrading System Memory in Cisco 3700 Series Routers
2
Memory Capacities, page 2
To upgrade to a new Cisco IOS feature set or release that requires additional memory. (Memory
requirements for each feature set and release are available in the release notes for that release.)
To use very large routing tables, many protocols (as may be required, for example, when the router
is part of both a large external network and your internal network), or other memory-intensive
features such as spoofing or protocol translations.
Memory Capacities for Cisco 3700 Series Routers
DRAM
256- (default) to 256-MB SDRAM DIMMs
256- (default) to 512-MB SDRAM SODIMMs 32- (default) to 128-MB memory card
Table
1.
Compact Flash Memory
32- (default) to 128-MB memory card
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